
(function() {
  // 1. 实例化对象
  var myChart = echarts.init(document.querySelector(".map .chart"));
  // 2. 指定配置和数据
  // 2. 指定配置和数据
  var geoCoordMap = {
    上海: [121.4648, 31.2891],
    东莞: [113.8953, 22.901],
    东营: [118.7073, 37.5513],
    中山: [113.4229, 22.478],
    临汾: [111.4783, 36.1615],
    临沂: [118.3118, 35.2936],
    丹东: [124.541, 40.4242],
    丽水: [119.5642, 28.1854],
    乌鲁木齐: [87.9236, 43.5883],
    佛山: [112.8955, 23.1097],
    保定: [115.0488, 39.0948],
    兰州: [103.5901, 36.3043],
    包头: [110.3467, 41.4899],
    北京: [116.4551, 40.2539],
    北海: [109.314, 21.6211],
    南京: [118.8062, 31.9208],
    南宁: [108.479, 23.1152],
    南昌: [116.0046, 28.6633],
    南通: [121.1023, 32.1625],
    厦门: [118.1689, 24.6478],
    台州: [121.1353, 28.6688],
    合肥: [117.29, 32.0581],
    呼和浩特: [111.4124, 40.4901],
    咸阳: [108.4131, 34.8706],
    哈尔滨: [127.9688, 45.368],
    唐山: [118.4766, 39.6826],
    嘉兴: [120.9155, 30.6354],
    大同: [113.7854, 39.8035],
    大连: [122.2229, 39.4409],
    天津: [117.4219, 39.4189],
    太原: [112.3352, 37.9413],
    威海: [121.9482, 37.1393],
    宁波: [121.5967, 29.6466],
    宝鸡: [107.1826, 34.3433],
    宿迁: [118.5535, 33.7775],
    常州: [119.4543, 31.5582],
    广州: [113.5107, 23.2196],
    廊坊: [116.521, 39.0509],
    延安: [109.1052, 36.4252],
    张家口: [115.1477, 40.8527],
    徐州: [117.5208, 34.3268],
    德州: [116.6858, 37.2107],
    惠州: [114.6204, 23.1647],
    成都: [103.9526, 30.7617],
    扬州: [119.4653, 32.8162],
    承德: [117.5757, 41.4075],
    拉萨: [91.1865, 30.1465],
    无锡: [120.3442, 31.5527],
    日照: [119.2786, 35.5023],
    昆明: [102.9199, 25.4663],
    杭州: [119.5313, 29.8773],
    枣庄: [117.323, 34.8926],
    柳州: [109.3799, 24.9774],
    株洲: [113.5327, 27.0319],
    武汉: [114.3896, 30.6628],
    汕头: [117.1692, 23.3405],
    江门: [112.6318, 22.1484],
    沈阳: [123.1238, 42.1216],
    沧州: [116.8286, 38.2104],
    河源: [114.917, 23.9722],
    泉州: [118.3228, 25.1147],
    泰安: [117.0264, 36.0516],
    泰州: [120.0586, 32.5525],
    济南: [117.1582, 36.8701],
    济宁: [116.8286, 35.3375],
    海口: [110.3893, 19.8516],
    淄博: [118.0371, 36.6064],
    淮安: [118.927, 33.4039],
    深圳: [114.5435, 22.5439],
    清远: [112.9175, 24.3292],
    温州: [120.498, 27.8119],
    渭南: [109.7864, 35.0299],
    湖州: [119.8608, 30.7782],
    湘潭: [112.5439, 27.7075],
    滨州: [117.8174, 37.4963],
    潍坊: [119.0918, 36.524],
    烟台: [120.7397, 37.5128],
    玉溪: [101.9312, 23.8898],
    珠海: [113.7305, 22.1155],
    盐城: [120.2234, 33.5577],
    盘锦: [121.9482, 41.0449],
    石家庄: [114.4995, 38.1006],
    福州: [119.4543, 25.9222],
    秦皇岛: [119.2126, 40.0232],
    绍兴: [120.564, 29.7565],
    聊城: [115.9167, 36.4032],
    肇庆: [112.1265, 23.5822],
    舟山: [122.2559, 30.2234],
    苏州: [120.6519, 31.3989],
    莱芜: [117.6526, 36.2714],
    菏泽: [115.6201, 35.2057],
    营口: [122.4316, 40.4297],
    葫芦岛: [120.1575, 40.578],
    衡水: [115.8838, 37.7161],
    衢州: [118.6853, 28.8666],
    西宁: [101.4038, 36.8207],
    西安: [109.1162, 34.2004],
    贵阳: [106.6992, 26.7682],
    连云港: [119.1248, 34.552],
    邢台: [114.8071, 37.2821],
    邯郸: [114.4775, 36.535],
    郑州: [113.4668, 34.6234],
    鄂尔多斯: [108.9734, 39.2487],
    重庆: [107.7539, 30.1904],
    金华: [120.0037, 29.1028],
    铜川: [109.0393, 35.1947],
    银川: [106.3586, 38.1775],
    镇江: [119.4763, 31.9702],
    长春: [125.8154, 44.2584],
    长沙: [113.0823, 28.2568],
    长治: [112.8625, 36.4746],
    阳泉: [113.4778, 38.0951],
    青岛: [120.4651, 36.3373],
    韶关: [113.7964, 24.7028]
  };


    var mapStack = [];
    var timeFn = null;
    var curMap = {};

//初始化地图
    loadMap('100000', 'china');


  /**
     绑定用户切换地图区域事件
     cityMap对象存储着地图区域名称和区域的信息(name-code)
     当mapCode有值,说明可以切换到下级地图
     同时保存上级地图的编号和名称
     */
    myChart.on('mapselectchanged', function(params) {

      clearTimeout(timeFn);
     // $.getScript("<script src=\"js/index.js\"></script>", function() {

      //});
      //由于单击事件和双击事件冲突，故单击的响应事件延迟250毫秒执行
      timeFn = setTimeout(function(){
        var name = params.batch[0].name;
        var mapCode = cityMap[name];
        if (!mapCode) {
          alert('无此区域地图显示');
          return;
        }
        //定义全局变量，在index可以直接调用
        //window.mapCode=mapCode;
        //在一个js下引用另一个js文件
        var new_element1=document.createElement("script");
        new_element1.setAttribute("type","text/javascript");
        new_element1.setAttribute("src","js/index.js");
        document.body.appendChild(new_element1);
        loadMap(mapCode, name);
        //alert(mapCode,name);
        //将上一级地图信息压入mapStack
        mapStack.push({
          mapCode: curMap.mapCode,
          mapName: curMap.mapName
        });
      }, 250);


    });
    /**
     绑定双击事件，并加载上一级地图
     */
    myChart.on('dblclick', function(params) {
      //当双击事件发生时，清除单击事件，仅响应双击事件
      clearTimeout(timeFn);
      var map = mapStack.pop();
      if (!mapStack.length && !map) {
        alert('已经到达最上一级地图了');
        return;
      }
      //在一个js下引用另一个js文件
      var new_element1=document.createElement("script");
      new_element1.setAttribute("type","text/javascript");
      new_element1.setAttribute("src","js/index.js");
      document.body.appendChild(new_element1);
      loadMap(map.mapCode, map.mapName);
    });
    /**
     加载地图：根据地图所在省市的行政编号，
     获取对应的json地图数据，然后向echarts注册该区域的地图
     最后加载地图信息
     @params {String} mapCode:地图行政编号,for example['中国':'100000', '湖南': '430000']
     @params {String} mapName: 地图名称
     */
    function loadMap(mapCode, mapName) {
      //alert("haha");
      $.getJSON('china-main-city/' + mapCode + '.json', function (data) {
        if (data) {
          echarts.registerMap(mapName, data);
          var option = {
            tooltip: {
              trigger: 'item',
              formatter: '{b}'
            },

            series: [
              {
                name: '',
                type: 'map',
                mapType: mapName,
                selectedMode : 'multiple',
                label: {
                  emphasis: {
                    show: true,
                    color: "#fff"
                  }
                },
                roam: false,
                //   放大我们的地图
                zoom: 1,
                itemStyle: {
                  normal: {
                    areaColor: "rgba(43, 196, 243, 0.42)",
                    borderColor: "rgba(43, 196, 243, 1)",
                    borderWidth: 1
                  },
                  emphasis: {
                    areaColor: "#2B91B7"
                  }
                },
                data:[
                ]
              }
            ]
          };
          myChart.setOption(option);
          curMap = {
            mapCode: mapCode,
            mapName: mapName
          };
        } else {
          alert('无法加载该地图');
        }
      });


    }



  window.addEventListener("resize", function() {
    myChart.resize();
  });
})();
